Intrinsically safe, ultra-low-power instruments that offer the convenience of versatile electronics with features required in hazardous areas. The 3052 is intrinsically safe and Factory Mutual Approved for all Classes, Groups and Divisions of the N.E.C. hazardous environment classifications. The 3052 eliminates the need for traditional explosion-proof enclosures or purging systems by way of the intrinsically safe design. Battery life ranges from 50 hours of continuous operation to 200 hours when "Auto Sleep" mode is enabled. A direct power supply option is also available, eliminating the need for batteries.